计算溶液所需的质量、体积或浓度。
NH-双(PEG4-OH)
有货
NH-bis(PEG4-OH) is a branched PEG derivative with a central amino group and two terminal hydroxyl groups. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls, etc. The hydroxy groups enable further derivatization or replacement with other reactive functional groups.